diff --git a/bitchat/ViewModels/ChatMessageFormatter.swift b/bitchat/ViewModels/ChatMessageFormatter.swift
index 1a00315b..b08c8c7c 100644
--- a/bitchat/ViewModels/ChatMessageFormatter.swift
+++ b/bitchat/ViewModels/ChatMessageFormatter.swift
@@ -190,11 +190,29 @@ final class ChatMessageFormatter {
                 }
                 allMatches.sort { $0.range.location < $1.range.location }
 
+                // Drop any match that overlaps one already kept. The
+                // per-type checks above only guard specific known pairs
+                // (e.g. bolt11/lnurl against url+lightning); they don't
+                // cover every combination, so an ordinary message can still
+                // produce overlapping matches of two OTHER types (e.g. a URL
+                // whose path embeds a "cashuA..."-shaped token). The render
+                // loop below assumes non-overlapping, strictly-increasing
+                // ranges; without this pass a nested cashu/lightning match
+                // renders as an extra spacer character injected into
+                // already-shown text instead of being skipped.
+                var resolvedMatches: [(range: NSRange, type: String)] = []
+                var occupiedUntil = 0
+                for match in allMatches {
+                    guard match.range.location >= occupiedUntil else { continue }
+                    resolvedMatches.append(match)
+                    occupiedUntil = match.range.location + match.range.length
+                }
+
                 var lastEnd = content.startIndex
                 let myNickname = viewModel.nickname.normalizedNickname
                 let isMentioned = message.mentions?.contains { $0.normalizedNickname == myNickname } ?? false
 
-                for (range, type) in allMatches {
+                for (range, type) in resolvedMatches {
                     guard let swiftRange = Range(range, in: content) else { continue }
 
                     if lastEnd < swiftRange.lowerBound {